Bug report

A minimal example:

#  fib.pyimportsyssys.setrecursionlimit(2000)fromfunctoolsimportcache@cachedeffib(n):ifn<1:return0ifn==1:return1returnfib(n-1)+fib(n-2)print(fib(500))

CPython versions tested on:

CPython main branch

Operating systems tested on:

Windows

Edit: This (simpler) example is from@dimpase .

Linked PRs

• GH-112215: Increase C recursion limit for non debug builds #113397
• [3.12] GH-112215: Increase C recursion limit for non debug builds (GH-113397) #113403
• [3.12] GH-112215: Backport C recursion changes #115083